Redoxite
氧化还原树脂
🗣️ 情景例句
I've been looking forward to meeting your husband, Mrs. Stewart.
我一直希望能见到 先生 Stewart太太。
An empty bag cannot stand upright.
空袋不能直立。
What was the population of the less developed countries in 1950?
1950年不太发达国家的人口是多少？